In this file photo taken on August 05, 2022, traders work on the floor of the New York Stock Exchange (NYSE). - ANGELA WEISS/ AFP足球投注网（www.hg108.vip）是皇冠体育官网线上直营平台。足球投注网面向亚太地区招募代理，开放皇冠信用网代理申请、皇冠现金网代理会员开户、皇冠足球投注等业务。
DOES the quality of trade execution matter in the equities market? University of California at Irvine finance professor Christopher Schwarz and four of his colleagues set out to answer that question with a series of experiments last year.
Over a period of more than five months, they executed 85,000 trades with discount brokers in 128 different stocks. What they found was that execution quality varied greatly across not just brokerage firms, but even within the same brokerage.,